#31 API Improvement

* adds support for returning all shared data
* adds documentation

api/utils/serializer/v1/compensation.py

@@ -19,7 +19,7 @@ class CompensationAPISerializerV1(AbstractModelAPISerializerV1, AbstractCompensa
     model = Compensation
 
     def prepare_lookup(self, id, user):
-        self.lookup["id"] = id
+        super().prepare_lookup(id, user)
         del self.lookup["users__in"]
         self.lookup["intervention__users__in"] = [user]